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Phys. Rev. Lett. 74, 4091–4094 (1995)

Quantum Computations with Cold Trapped Ions

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J. I. Cirac and P. Zoller
Institut für Theoretische Physik, Universiät Innsbruck, Technikerstrasse 25, A-6020 Innsbruck, Austria

Received 30 November 1994; published in the issue dated 15 May 1995

A quantum computer can be implemented with cold ions confined in a linear trap and interacting with laser beams. Quantum gates involving any pair, triplet, or subset of ions can be realized by coupling the ions through the collective quantized motion. In this system decoherence is negligible, and the measurement (readout of the quantum register) can be carried out with a high efficiency.

© 1995 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.74.4091
DOI:
10.1103/PhysRevLett.74.4091
PACS:
89.80.+h, 03.65.Bz, 12.20.Fv, 32.80.Pj

See Also

See Also: A. M. Dimits, T. J. Williams, J. A. Byers, and B. I. Cohen, Scalings of Ion-Temperature-Gradient-Driven Anomalous Transport in Tokamaks, Phys. Rev. Lett. 77, 71 (1996).

See Also: M. R. Eskildsen, P. L. Gammel, B. P. Barber, A. P. Ramirez, D. J. Bishop, N. H. Andersen, K. Mortensen, C. A. Bolle, C. M. Lieber, and P. C. Canfield, Structural Stability of the Square Flux Line Lattice in YNI2B2C and LuNi2B2C Studied with Small Angle Neutron Scattering, Phys. Rev. Lett. 79, 487 (1997).

See Also: Riazuddin, Fayyazuddin, and A. H. Zimmerman, Dynamical Model for Nonleptonic Decays of Hyperons, Phys. Rev. 137, B1556 (1965).